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Alenkasestr [34]
4 years ago
12

The vertex of a parabola will never be on the axis of symmetry. true or false

Mathematics
1 answer:
Gala2k [10]4 years ago
4 0
False, it's always on the vertex of the parabola.
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1 year ago
A manager wants to select one group of 4 people from his 28 assistants.
Keith_Richards [23]

There are, 20475 different groups are possible if the manager wants to select one group of 4 people from his 28 assistants.

<h3>What is permutation and combination?</h3>

A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.

We have:

A manager wants to select one group of 4 people from his 28 assistants.

The total number of groups possible = C(28, 4)

= \rm \dfrac{28!}{4!(28-4)!}

After calculating:

= 20475

Thus, there are, 20475 different groups are possible if the manager wants to select one group of 4 people from his 28 assistants.

Learn more about permutation and combination here:

brainly.com/question/2295036

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8 0
2 years ago
Ron had 20 apples. He used 2/5 of the apples to make pies. How many apples did Ron use for pies?
Mnenie [13.5K]
1/5 of 20 is 4.

2/5 of 20 is 8.

Therefore, Ron used 8 apples to make his pies.
4 0
3 years ago
Read 2 more answers
The water at the end of a pier was 28 meters deep at midnight. As the tide came in, the water depth increased at a rate of 0.012
Nastasia [14]

Answer:

  0.012t + 28 = 30

Step-by-step explanation:

The depth starts at 28 meters. The amount of increase in t minutes will be 0.012t, so the total depth after t minutes is ...

  0.012t +28

We want to find when that is equal to 30, so the appropriate equation is ...

  0.012t +28 = 30

4 0
4 years ago
7/8 turned into a decimal. Show all the work.
drek231 [11]
The answer is....0.875
6 0
3 years ago
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